Gravitation – Online MCQs Test – Physics 9th

1. The first artificial satellite, Sputnik-1, was sent into space by:

2. The motion of a falling ball towards Earth is due to the ____________

3. Ocean tides are caused by the:

4. Sun’s gravitational attraction to the Earth is ________ times greater than that of the moon to the Earth.

5. Newton’s law of gravitation is consistent with Newton’s _________ law of motion.

6. Gravitational force is always present between two objects because of their:

7. Weight is measure in:

8.

9. Mass of the Earth is ___________

10. The constant horizontal velocity required to put the satellite into a stable circular orbit around the Earth is called:

11. __________ is a natural satellite.

12. Gravitation force is _____________ of the medium between the objects.

13. Numerical value of _______________ remains constant everywhere.

14. Gravitational force is always ___________

15.

16. A communication satellite completes its one revolution around the Earth in hours

17. Gravitational field of Earth is directed ____________

18. Newton’s law of gravitational holds between every two objects on the _________

19. The height of a geostationary satellite is about km from the surface of the Earth.

20. Earth’s field force is a: